/*
* Face Masks for SlOBS
* smll - streamlabs machine learning library
*
* Copyright (C) 2017 General Workings Inc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
#pragma once

#include <chrono>

typedef std::chrono::time_point<std::chrono::steady_clock>	TimeStamp;
#define NEW_TIMESTAMP			(std::chrono::steady_clock::now())
#define TIMESTAMP_MS_LL(TS)		(std::chrono::duration_cast<std::chrono::milliseconds>((TS).time_since_epoch()).count())
#define TIMESTAMP_US_LL(TS)		(std::chrono::duration_cast<std::chrono::microseconds>((TS).time_since_epoch()).count())
#define TIMESTAMP_NS_LL(TS)		(std::chrono::duration_cast<std::chrono::nanoseconds>((TS).time_since_epoch()).count())
#define UNSIGNED_DIFF(A, B)     ((A)>(B)?(A)-(B):(B)-(A))